.tab {
	width: 100vw;
	height: 100vh;
	display: flex;
}

.title {
	width: 60px;
	flex-shrink: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	border-right: 1px solid #ccc;
	height: 100%;
}

.title b {
	margin: 10px 0;
}

.title b.active {
	color: red;
}

.content {
	flex: 1;

}